/*
 * Copyright 2007 Yusuke Yamamoto
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package twitter4j.conf;

/**
 * ConfigurationFactory implementation for ConfigurationBase. Currently
 * getInstance calls concrete constructor each time. No caching at all.
 * 
 * @author Yusuke Yamamoto - yusuke at mac.com
 */
class BaseConfigurationFactory implements ConfigurationFactory {
	private static final ConfigurationBase ROOT_CONFIGURATION;

	static {
		ROOT_CONFIGURATION = new ConfigurationBase();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void dispose() {
		// nothing to do for property based configuration
	}

	// It may be preferable to cache the config instance

	/**
	 * {@inheritDoc}
	 */
	@Override
	public Configuration getInstance() {
		return ROOT_CONFIGURATION;
	}

}
